Chickengunya fever is transmitted by which mosquito?
**Core Concept**
Chickengunya fever is a mosquito-borne viral disease caused by the Chickengunya virus. The virus is transmitted to humans through the bite of an infected mosquito. The primary vector responsible for the transmission of Chickengunya fever is a specific species of mosquito that is competent for virus replication and transmission.
**Why the Correct Answer is Right**
The correct vector responsible for the transmission of Chickengunya fever is Aedes aegypti. This mosquito species is known to be the primary vector for various arboviruses, including Chickengunya virus, dengue virus, and Zika virus. Aedes aegypti is highly adapted to human habitation and is capable of transmitting the virus through its saliva during feeding. The virus replicates in the mosquito's salivary glands, allowing it to be transmitted to humans through subsequent bites.
**Why Each Wrong Option is Incorrect**
**Option A:** Culex mosquito - Incorrect because Culex mosquitoes are primarily responsible for transmitting diseases such as West Nile virus and Japanese encephalitis, but not Chickengunya fever.
**Option B:** Anopheles mosquito - Incorrect because Anopheles mosquitoes are the primary vectors for malaria transmission, not Chickengunya fever.
**Option C:** Aedes albopictus - Incorrect because while Aedes albopictus can transmit Chickengunya virus, it is not the primary vector; Aedes aegypti is more competent for virus replication and transmission.
**Clinical Pearl / High-Yield Fact**
Aedes aegypti is a highly domesticated mosquito species that thrives in urban environments, making it a significant public health concern in tropical and subtropical regions. Control measures for Aedes aegypti, such as eliminating breeding sites and using insecticides, are crucial in preventing the spread of Chickengunya fever and other arboviruses.
**Correct Answer:** C. Aedes aegypti.